<script name="HomeCategory" setup lang="ts">
import { ref } from 'vue';
import { computed } from '@vue/reactivity'
import useStore from '@/store'
const { category } = useStore()

const goods = computed(() => {
  const itemObj = category.list.find((item) => item.id === categoryId.value)
 return itemObj?.goods
})
// 记录当前的分类id
const categoryId = ref('')
const handleEnter =(id:string)=>{
  if (!id) return
 categoryId.value=id
}
</script>


<template>
  <div class="home-category" @mouseleave="categoryId===''">
    <ul class="menu">
      <li 
      v-for="(item,index) in category.list" 
      @mouseenter="handleEnter(item.id)"
      :key="index"
      :class="{ active: item.id === categoryId }"
      >
        <RouterLink to="/">{{item.name}}</RouterLink>

        <!-- 真实数据 -->
         <template v-if="item.children">
          <RouterLink
            v-for="sub in item.children?.slice(0, 2)"
            :key="sub.id"
            to="/"
          >
            {{ sub.name }}
          </RouterLink>
        </template>
        <!-- 骨架组件 -->
        <template v-else>
          <XtxSkeleton 
          style="margin-left : 5px;"
          :width="70"
          :height="20"
            bg="#bd9c3b"
            animated
            fade
          ></XtxSkeleton>
           <XtxSkeleton 
          style="margin-left : 5px;"
          :width="40"
          :height="20"
            bg="#bd9c3b"
            animated
            fade
          ></XtxSkeleton>
        </template>
      </li>
    </ul>
    <!-- 弹层 -->
    <div class="layer" v-if="goods">
    <h4>分类推荐<small>根据您的购买或浏览记录推荐</small></h4>
    <ul>
    <li   
    v-for="item in goods"
   :key="item.id"
  >
  <!--  @mouseenter="categoryId = item.id" -->
      <RouterLink :to="`/product/${item.id}`">
        <img :src="item.picture" alt="" />
        <div class="info">
          <p class="name ellipsis-2">{{ item.name }}</p>
          <p class="desc ellipsis">{{ item.desc }}</p>
          <p class="price"><i>¥</i>{{ item.price }}</p>
        </div>
      </RouterLink>
    </li>
    </ul>
    </div>

  </div>
</template>


<style scoped lang="less">
.home-category {
  width: 250px;
  height: 500px;
  background: rgba(0, 0, 0, 0.8);
  position: relative;
  z-index: 99;
  .menu {
    li {
      padding-left: 40px;
      height: 55px;
      line-height: 55px;
      &.active {
        background: @xtxColor;
      }
      a {
        margin-right: 4px;
        color: #fff;
        &:first-child {
          font-size: 16px;
        }
      }
    }
  }
  .layer {
  width: 990px;
  height: 500px;
  background: rgba(255, 255, 255, 0.8);
  position: absolute;
  left: 250px;
  top: 0;
  display: none;
  padding: 0 15px;
  h4 {
    font-size: 20px;
    font-weight: normal;
    line-height: 80px;
    small {
      font-size: 16px;
      color: #666;
    }
  }
  ul {
    display: flex;
    flex-wrap: wrap;
    li {
      width: 310px;
      height: 120px;
      margin-right: 15px;
      margin-bottom: 15px;
      border: 1px solid #eee;
      border-radius: 4px;
      background: #fff;
      &:nth-child(3n) {
        margin-right: 0;
      }
      a {
        display: flex;
        width: 100%;
        height: 100%;
        align-items: center;
        padding: 10px;
        &:hover {
          background: #e3f9f4;
        }
        img {
          width: 95px;
          height: 95px;
        }
        .info {
          padding-left: 10px;
          line-height: 24px;
          width: 190px;
          .name {
            font-size: 16px;
            color: #666;
          }
          .desc {
            color: #999;
          }
          .price {
            font-size: 22px;
            color: @priceColor;
            i {
              font-size: 16px;
            }
          }
        }
      }
    }
  }
}
&:hover {
  .layer {
    display: block;
  }
}

}
</style>

